package todo;

import java.util.ArrayList;

public class RectanglePerimeter {

	static class Rectangle {
		int x1, y1;// upper left
		int x2, y2;// bottom right
	}

	public int perimeter(int n, ArrayList<Rectangle> rects) {
		return 0;
	}

	public static void main(String[] args) {

	}

}
